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<head><meta charset="utf-8"><title>I-prioritize #78806 ICE: broken MIR in Item(WithOptConstPar… · t-compiler/wg-prioritization/alerts · Zulip Chat Archive</title></head>
<h2>Stream: <a href="https://rust-lang.github.io/zulip_archive/stream/245100-t-compiler/wg-prioritization/alerts/index.html">t-compiler/wg-prioritization/alerts</a></h2>
<h3>Topic: <a href="https://rust-lang.github.io/zulip_archive/stream/245100-t-compiler/wg-prioritization/alerts/topic/I-prioritize.20.2378806.20ICE.3A.20broken.20MIR.20in.20Item(WithOptConstPar.E2.80.A6.html">I-prioritize #78806 ICE: broken MIR in Item(WithOptConstPar…</a></h3>

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<a name="216256576"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/245100-t-compiler/wg-prioritization/alerts/topic/I-prioritize%20%2378806%20ICE%3A%20broken%20MIR%20in%20Item%28WithOptConstPar%E2%80%A6/near/216256576" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> triagebot <a href="https://rust-lang.github.io/zulip_archive/stream/245100-t-compiler/wg-prioritization/alerts/topic/I-prioritize.20.2378806.20ICE.3A.20broken.20MIR.20in.20Item(WithOptConstPar.E2.80.A6.html#216256576">(Nov 10 2020 at 18:52)</a>:</h4>
<p><span class="user-group-mention" data-user-group-id="3111">@WG-prioritization/alerts</span> issue <a href="https://github.com/rust-lang/rust/issues/78806">#78806</a> has been requested for prioritization.</p>
<h1><a href="https://forge.rust-lang.org/compiler/prioritization/procedure.html#assign-priority-to-unprioritized-issues-with-i-prioritize-label">Procedure</a></h1>
<ul>
<li>Priority?</li>
<li>Regression?</li>
<li>Notify people/groups?</li>
<li>Needs <code>I-nominated</code>?</li>
</ul>



<a name="216256648"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/245100-t-compiler/wg-prioritization/alerts/topic/I-prioritize%20%2378806%20ICE%3A%20broken%20MIR%20in%20Item%28WithOptConstPar%E2%80%A6/near/216256648" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Noah Lev <a href="https://rust-lang.github.io/zulip_archive/stream/245100-t-compiler/wg-prioritization/alerts/topic/I-prioritize.20.2378806.20ICE.3A.20broken.20MIR.20in.20Item(WithOptConstPar.E2.80.A6.html#216256648">(Nov 10 2020 at 18:53)</a>:</h4>
<p>I have no clue whether this code should or should not compile, but the issue author requested some attention on it.</p>



<a name="216257935"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/245100-t-compiler/wg-prioritization/alerts/topic/I-prioritize%20%2378806%20ICE%3A%20broken%20MIR%20in%20Item%28WithOptConstPar%E2%80%A6/near/216257935" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Joshua Nelson <a href="https://rust-lang.github.io/zulip_archive/stream/245100-t-compiler/wg-prioritization/alerts/topic/I-prioritize.20.2378806.20ICE.3A.20broken.20MIR.20in.20Item(WithOptConstPar.E2.80.A6.html#216257935">(Nov 10 2020 at 19:01)</a>:</h4>
<p>they did?</p>



<a name="216258002"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/245100-t-compiler/wg-prioritization/alerts/topic/I-prioritize%20%2378806%20ICE%3A%20broken%20MIR%20in%20Item%28WithOptConstPar%E2%80%A6/near/216258002" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Joshua Nelson <a href="https://rust-lang.github.io/zulip_archive/stream/245100-t-compiler/wg-prioritization/alerts/topic/I-prioritize.20.2378806.20ICE.3A.20broken.20MIR.20in.20Item(WithOptConstPar.E2.80.A6.html#216258002">(Nov 10 2020 at 19:01)</a>:</h4>
<p>oh on the other issue</p>



<a name="216258069"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/245100-t-compiler/wg-prioritization/alerts/topic/I-prioritize%20%2378806%20ICE%3A%20broken%20MIR%20in%20Item%28WithOptConstPar%E2%80%A6/near/216258069" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Joshua Nelson <a href="https://rust-lang.github.io/zulip_archive/stream/245100-t-compiler/wg-prioritization/alerts/topic/I-prioritize.20.2378806.20ICE.3A.20broken.20MIR.20in.20Item(WithOptConstPar.E2.80.A6.html#216258069">(Nov 10 2020 at 19:02)</a>:</h4>
<p>I don't think it makes sense to prioritize every single crash</p>



<a name="216258134"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/245100-t-compiler/wg-prioritization/alerts/topic/I-prioritize%20%2378806%20ICE%3A%20broken%20MIR%20in%20Item%28WithOptConstPar%E2%80%A6/near/216258134" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Joshua Nelson <a href="https://rust-lang.github.io/zulip_archive/stream/245100-t-compiler/wg-prioritization/alerts/topic/I-prioritize.20.2378806.20ICE.3A.20broken.20MIR.20in.20Item(WithOptConstPar.E2.80.A6.html#216258134">(Nov 10 2020 at 19:02)</a>:</h4>
<p>especially since this looks like research code and probably isn't affecting anyone in practicxe</p>



<a name="216261174"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/245100-t-compiler/wg-prioritization/alerts/topic/I-prioritize%20%2378806%20ICE%3A%20broken%20MIR%20in%20Item%28WithOptConstPar%E2%80%A6/near/216261174" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> DPC <a href="https://rust-lang.github.io/zulip_archive/stream/245100-t-compiler/wg-prioritization/alerts/topic/I-prioritize.20.2378806.20ICE.3A.20broken.20MIR.20in.20Item(WithOptConstPar.E2.80.A6.html#216261174">(Nov 10 2020 at 19:24)</a>:</h4>
<p>i think p-medium should be fine</p>



<a name="216290795"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/245100-t-compiler/wg-prioritization/alerts/topic/I-prioritize%20%2378806%20ICE%3A%20broken%20MIR%20in%20Item%28WithOptConstPar%E2%80%A6/near/216290795" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Noah Lev <a href="https://rust-lang.github.io/zulip_archive/stream/245100-t-compiler/wg-prioritization/alerts/topic/I-prioritize.20.2378806.20ICE.3A.20broken.20MIR.20in.20Item(WithOptConstPar.E2.80.A6.html#216290795">(Nov 10 2020 at 23:48)</a>:</h4>
<p><span class="user-mention silent" data-user-id="232545">Joshua Nelson</span> said:</p>
<blockquote>
<p>I don't think it makes sense to prioritize every single crash</p>
</blockquote>
<p>I agree, but they seemed to want someone to look at this :)</p>



<a name="216291240"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/245100-t-compiler/wg-prioritization/alerts/topic/I-prioritize%20%2378806%20ICE%3A%20broken%20MIR%20in%20Item%28WithOptConstPar%E2%80%A6/near/216291240" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Noah Lev <a href="https://rust-lang.github.io/zulip_archive/stream/245100-t-compiler/wg-prioritization/alerts/topic/I-prioritize.20.2378806.20ICE.3A.20broken.20MIR.20in.20Item(WithOptConstPar.E2.80.A6.html#216291240">(Nov 10 2020 at 23:54)</a>:</h4>
<p>Actually it looks like tmiasko thinks this isn't even a bug. The code <em>is</em> pretty bizarre</p>



<a name="216292587"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/245100-t-compiler/wg-prioritization/alerts/topic/I-prioritize%20%2378806%20ICE%3A%20broken%20MIR%20in%20Item%28WithOptConstPar%E2%80%A6/near/216292587" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> triagebot <a href="https://rust-lang.github.io/zulip_archive/stream/245100-t-compiler/wg-prioritization/alerts/topic/I-prioritize.20.2378806.20ICE.3A.20broken.20MIR.20in.20Item(WithOptConstPar.E2.80.A6.html#216292587">(Nov 11 2020 at 00:10)</a>:</h4>
<p>Issue <a href="https://github.com/rust-lang/rust/issues/78806">#78806</a>'s prioritization request has been removed.</p>



<a name="216292597"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/245100-t-compiler/wg-prioritization/alerts/topic/I-prioritize%20%2378806%20ICE%3A%20broken%20MIR%20in%20Item%28WithOptConstPar%E2%80%A6/near/216292597" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Noah Lev <a href="https://rust-lang.github.io/zulip_archive/stream/245100-t-compiler/wg-prioritization/alerts/topic/I-prioritize.20.2378806.20ICE.3A.20broken.20MIR.20in.20Item(WithOptConstPar.E2.80.A6.html#216292597">(Nov 11 2020 at 00:10)</a>:</h4>
<p>Closed by <span class="user-mention silent" data-user-id="211727">Jonas Schievink</span></p>



<a name="216318390"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/245100-t-compiler/wg-prioritization/alerts/topic/I-prioritize%20%2378806%20ICE%3A%20broken%20MIR%20in%20Item%28WithOptConstPar%E2%80%A6/near/216318390" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> apiraino <a href="https://rust-lang.github.io/zulip_archive/stream/245100-t-compiler/wg-prioritization/alerts/topic/I-prioritize.20.2378806.20ICE.3A.20broken.20MIR.20in.20Item(WithOptConstPar.E2.80.A6.html#216318390">(Nov 11 2020 at 08:33)</a>:</h4>
<p>interesting discussion in this issue</p>



<hr><p>Last updated: Aug 07 2021 at 22:04 UTC</p>
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